27790000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{397}}^1$

素因数の和:432

約数の個数: 100

約数和(自身を含む): 77087824

約数和(自身を除く): 49297824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 397, 400, 500, 560, 625, 700, 794, 875, 1000, 1250, 1400, 1588, 1750, 1985, 2000, 2500, 2779, 2800, 3176, 3500, 3970, 4375, 5000, 5558, 6352, 7000, 7940, 8750, 9925, 10000, 11116, 13895, 14000, 15880, 17500, 19850, 22232, 27790, 31760, 35000, 39700, 44464, 49625, 55580, 69475, 70000, 79400, 99250, 111160, 138950, 158800, 198500, 222320, 248125, 277900, 347375, 397000, 496250, 555800, 694750, 794000, 992500, 1111600, 1389500, 1736875, 1985000, 2779000, 3473750, 3970000, 5558000, 6947500, 13895000, 27790000]

約数ペア:

[(1, 27790000), (2, 13895000), (4, 6947500), (5, 5558000), (7, 3970000), (8, 3473750), (10, 2779000), (14, 1985000), (16, 1736875), (20, 1389500), (25, 1111600), (28, 992500), (35, 794000), (40, 694750), (50, 555800), (56, 496250), (70, 397000), (80, 347375), (100, 277900), (112, 248125), (125, 222320), (140, 198500), (175, 158800), (200, 138950), (250, 111160), (280, 99250), (350, 79400), (397, 70000), (400, 69475), (500, 55580), (560, 49625), (625, 44464), (700, 39700), (794, 35000), (875, 31760), (1000, 27790), (1250, 22232), (1400, 19850), (1588, 17500), (1750, 15880), (1985, 14000), (2000, 13895), (2500, 11116), (2779, 10000), (2800, 9925), (3176, 8750), (3500, 7940), (3970, 7000), (4375, 6352), (5000, 5558)]